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  • 1
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    Single-cell transcriptomes from human kidneys reveal the cellular identity of renal tumors (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-08-10
    Description: Messenger RNA encodes cellular function and phenotype. In the context of human cancer, it defines the identities of malignant cells and the diversity of tumor tissue. We studied 72,501 single-cell transcriptomes of human renal tumors and normal tissue from fetal, pediatric, and adult kidneys. We matched childhood Wilms tumor with specific fetal cell types, thus providing evidence for the hypothesis that Wilms tumor cells are aberrant fetal cells. In adult renal cell carcinoma, we identified a canonical cancer transcriptome that matched a little-known subtype of proximal convoluted tubular cell. Analyses of the tumor composition defined cancer-associated normal cells and delineated a complex vascular endothelial growth factor (VEGF) signaling circuit. Our findings reveal the precise cellular identities and compositions of human kidney tumors.
    Keywords: Development, Medicine, Diseases
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Human amygdala responsivity to masked fearful eye whites (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-12-18
    Description: The amygdala was more responsive to fearful (larger) eye whites than to happy (smaller) eye whites presented in a masking paradigm that mitigated subjects' awareness of their presence and aberrant nature. These data demonstrate that the amygdala is responsive to elements of.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Whalen, Paul J -- Kagan, Jerome -- Cook, Robert G -- Davis, F Caroline -- Kim, Hackjin -- Polis, Sara -- McLaren, Donald G -- Somerville, Leah H -- McLean, Ashly A -- Maxwell, Jeffrey S -- Johnstone, Tom -- 01866/PHS HHS/ -- 069315/PHS HHS/ -- New York, N.Y. -- Science. 2004 Dec 17;306(5704):2061.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychiatry, W. M. Keck Laboratory for Brain Imaging and Behavior, University of Wisconsin, Madison, WI, USA. pwhalen@wisc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15604401" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Amygdala/*physiology ; *Facial Expression ; *Fear ; Female ; Happiness ; Humans ; Magnetic Resonance Imaging ; Male ; Pattern Recognition, Visual ; Perceptual Masking ; *Sclera
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Cooperative formation of inorganic-organic interfaces in the synthesis of silicate mesostructures (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-09-03
    Description: A model is presented to explain the formation and morphologies of surfactant-silicate mesostructures. Three processes are identified: multidentate binding of silicate oligomers to the cationic surfactant, preferential silicate polymerization in the interface region, and charge density matching between the surfactant and the silicate. The model explains present experimental data, including the transformation between lamellar and hexagonal mesophases, and provides a guide for predicting conditions that favor the formation of lamellar, hexagonal, or cubic mesostructures. Model Q(230) proposed by Mariani and his co-workers satisfactorily fits the x-ray data collected on the cubic mesostructure material. This model suggests that the silicate polymer forms a unique infinite silicate sheet sitting on the gyroid minimal surface and separating the surfactant molecules into two disconnected volumes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Monnier, A -- Schuth, F -- Huo, Q -- Kumar, D -- Margolese, D -- Maxwell, R S -- Stucky, G D -- Krishnamurty, M -- Petroff, P -- Firouzi, A -- Janicke, M -- Chmelka, B F -- New York, N.Y. -- Science. 1993 Sep 3;261(5126):1299-303.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17731857" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Dok-7 mutations underlie a neuromuscular junction synaptopathy (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-19
    Description: Congenital myasthenic syndromes (CMSs) are a group of inherited disorders of neuromuscular transmission characterized by fatigable muscle weakness. One major subgroup of patients shows a characteristic "limb girdle" pattern of muscle weakness, in which the muscles have small, simplified neuromuscular junctions but normal acetylcholine receptor and acetylcholinesterase function. We showed that recessive inheritance of mutations in Dok-7, which result in a defective structure of the neuromuscular junction, is a cause of CMS with proximal muscle weakness.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beeson, David -- Higuchi, Osamu -- Palace, Jackie -- Cossins, Judy -- Spearman, Hayley -- Maxwell, Susan -- Newsom-Davis, John -- Burke, Georgina -- Fawcett, Peter -- Motomura, Masakatsu -- Muller, Juliane S -- Lochmuller, Hanns -- Slater, Clarke -- Vincent, Angela -- Yamanashi, Yuji -- G117/490/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2006 Sep 29;313(5795):1975-8. Epub 2006 Aug 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Neurosciences Group, Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DS, UK. dbeeson@hammer.imm.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16917026" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Cells, Cultured ; Female ; *Frameshift Mutation ; Genes, Recessive ; Humans ; Male ; Muscle Fibers, Skeletal/metabolism ; Muscle Proteins/*genetics/physiology ; Muscle Weakness/physiopathology ; Mutation ; Myasthenic Syndromes, Congenital/*genetics/pathology/physiopathology ; Neuromuscular Junction/*pathology/*physiopathology ; Pedigree ; Polymerase Chain Reaction ; Receptor Protein-Tyrosine Kinases/physiology ; Receptors, Cholinergic/metabolism/physiology ; Sequence Analysis, DNA ; Synaptic Transmission
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    A dimeric structure for archaeal box C/D small ribonucleoproteins (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-09-12
    Description: Methylation of ribosomal RNA (rRNA) is required for optimal protein synthesis. Multiple 2'-O-ribose methylations are carried out by box C/D guide ribonucleoproteins [small ribonucleoproteins (sRNPs) and small nucleolar ribonucleoproteins (snoRNPs)], which are conserved from archaea to eukaryotes. Methylation is dictated by base pairing between the specific guide RNA component of the sRNP or snoRNP and the target rRNA. We determined the structure of a reconstituted and catalytically active box C/D sRNP from the archaeon Methanocaldococcus jannaschii by single-particle electron microscopy. We found that archaeal box C/D sRNPs unexpectedly formed a dimeric structure with an alternative organization of their RNA and protein components that challenges the conventional view of their architecture. Mutational analysis demonstrated that this di-sRNP structure was relevant for the enzymatic function of archaeal box C/D sRNPs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2975540/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2975540/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bleichert, Franziska -- Gagnon, Keith T -- Brown, Bernard A 2nd -- Maxwell, E Stuart -- Leschziner, Andres E -- Unger, Vinzenz M -- Baserga, Susan J -- R01 GM052581/GM/NIGMS NIH HHS/ -- R01 GM052581-15/GM/NIGMS NIH HHS/ -- R01GM52581/GM/NIGMS NIH HHS/ -- R01GM69699/GM/NIGMS NIH HHS/ -- RR19895/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2009 Sep 11;325(5946):1384-7. doi: 10.1126/science.1176099.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Yale University School of Medicine, New Haven, CT 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19745151" target="_blank"〉PubMed〈/a〉
    Keywords: Archaeal Proteins/*chemistry/metabolism/ultrastructure ; Base Sequence ; Chromosomal Proteins, Non-Histone/*chemistry ; Methanococcales/*chemistry ; Microscopy, Electron ; Models, Molecular ; Molecular Weight ; Nucleic Acid Conformation ; Protein Multimerization ; Protein Structure, Quaternary ; Protein Structure, Tertiary ; RNA, Archaeal/*chemistry/ultrastructure ; Ribonucleoproteins/*chemistry/metabolism/ultrastructure
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    SPE/SEG workshop: Injection-induced seismicity -- Engineering integration, evaluation, and mitigation (2016)
    Society of Exploration Geophysicists (SEG)
    Details
    Publication Date: 2016-06-23
    Description: An insightful technical workshop took place 28–30 March 2016 in Fort Worth, Texas, to discuss topics related to injection-induced seismicity. The workshop followed two previous events (September 2012 in Broomfield, Colorado, USA, and September 2014 in Banff, Alberta, Canada), which were held in cooperation between SEG and the Society of Petroleum Engineers (SPE). The workshop series has mirrored the evolving technical understanding of this important issue, as injection-induced seismicity has continued to develop over the last several years. While the previous two workshops focused primarily on seismology, the recent Fort Worth workshop purposely focused on engineering considerations. Similar to the previous two workshops, the Fort Worth workshop sold out, and a waiting list was established to handle the overflow.
    Print ISSN: 1070-485X
    Electronic ISSN: 1938-3789
    Topics: Geosciences
    Published by Society of Exploration Geophysicists (SEG)
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  • 7
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    Geomechanical modeling of induced seismicity resulting from hydraulic fracturing (2015)
    Society of Exploration Geophysicists (SEG)
    Details
    Publication Date: 2015-06-03
    Description: The number of instances of induced seismicity associated with hydraulic fracturing has increased over the last few years, resulting in the development of industry protocols to mitigate seismic hazard. The main focus of these protocols is "traffic-light" systems based on seismic monitoring, in which operations are modified if a specified "yellow-light" magnitude level is reached or ultimately are stopped at a "red-light" magnitude. A variety of operational changes is possible to mitigate the seismic hazard at the different traffic-light levels, including slowing injection rate or volume, skipping stages, or ultimately stopping or flowing back the well. Empirical evidence of induced-seismicity magnitudes, including microseismic-imaging projects in which no induced seismicity occurred, are inconclusive about the impact of changing volume or rate. Although the largest observed magnitudes occur at large injection volumes, significant variability in magnitudes is found for both injection rate and volume. Alternatively, a geomechanical simulation can examine pore-pressure diffusion and mechanical stresses and strains associated with hydraulic-fracture treatments and can be used to model fault activation and corresponding estimates of seismic magnitudes. These geomechanical models complement monitoring-based traffic-light systems and can be used to test various operational changes to identify a scenario that reduces seismic hazard.
    Print ISSN: 1070-485X
    Electronic ISSN: 1938-3789
    Topics: Geosciences
    Published by Society of Exploration Geophysicists (SEG)
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  • 8
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    Response (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-08-10
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    One-third of global protected land is under intense human pressure (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-05-18
    Description: In an era of massive biodiversity loss, the greatest conservation success story has been the growth of protected land globally. Protected areas are the primary defense against biodiversity loss, but extensive human activity within their boundaries can undermine this. Using the most comprehensive global map of human pressure, we show that 6 million square kilometers (32.8%) of protected land is under intense human pressure. For protected areas designated before the Convention on Biological Diversity was ratified in 1992, 55% have since experienced human pressure increases. These increases were lowest in large, strict protected areas, showing that they are potentially effective, at least in some nations. Transparent reporting on human pressure within protected areas is now critical, as are global targets aimed at efforts required to halt biodiversity loss.
    Keywords: Ecology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    URTeC 2017 to focus on cross-disciplinary collaboration (2017)
    Society of Exploration Geophysicists (SEG)
    Details
    Publication Date: 2017-06-02
    Description: Preparations are well under way for the 2017 Unconventional Resources Technology Conference (URTeC), which will take place 24–26 July in Austin, Texas. URTeC is focused on the latest science and technology applied to exploration, appraisal, analysis, and development of unconventional resources. As with previous URTeC meetings, a strong technical program has been compiled and is complemented by a plenary session, core exhibits, networking receptions, eight short courses, nine topical breakfasts and luncheons, and a technical exhibition.
    Print ISSN: 1070-485X
    Electronic ISSN: 1938-3789
    Topics: Geosciences
    Published by Society of Exploration Geophysicists (SEG)
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